JP4537633B2 - Passenger rice transplanter - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a relatively small passenger rice transplanter.
[0002]
[Prior art]
Since the small passenger rice transplanter has a small front-rear wheel spacing, the traveling machine body easily tilts greatly in the pitching direction when climbing over the bumps. Therefore, when crossing the ridge, the operator gets down to the ground and steers the traveling aircraft. In this case, there is a possibility that the front part of the traveling machine body may float up.To compensate for this, the front end part of the traveling machine body can be switched between a working posture protruding forward and a stowed storage posture, and can be swung. A riding rice transplanter that has been equipped with an arm and has been pushed forward by an operator while holding down a pressing arm that has been laid down in a working posture has been put into practical use while suppressing the lifting of the front part of the traveling machine body.
[0003]
[Problems to be solved by the invention]
In the riding rice transplanter currently in practical use, the holding arm is a dedicated member that is used only to prevent the lift of the front part of the traveling machine when traveling over the ridge, and its use frequency is low. there were.
[0004]
The present invention has been made paying attention to such points, and has as its main object to enhance the function of the pressing arm and make it more convenient to use.
[0005]
[Means for Solving the Problems]
[Configuration, Action, and Effect of Invention of Claim 1]
[0006]
The invention according to claim 1, equipped with a front end portion of the traveling machine body linked to planting apparatus to be driven up and down in the rear, a working posture that projects forward, the arm holding down switchable swing and store attitude In the riding rice transplanter, the operating posture is set to a posture in which the pressing arm lies forward and protrudes, and the retracted posture is set so that the pressing arm substantially follows the bonnet at the front of the traveling machine body. And a monitor for displaying notification items for planting work on the presser arm, and in the retracted position of the presser arm, the display surface of the monitor is positioned downward so as to substantially follow the bonnet. It is constructed so that the display surface of the monitor faces rearward and can be viewed from the driver's seat so that the arm for pressing is positioned forward from the retracted posture. Characterized in that are then capable of setting the attitude.
[0007]
According to the above configuration, since the presser arm stands up at the front end of the traveling machine body, the monitor attached to this presser arm is in the front view from the operator seated in the driver's seat, and is on the control panel. Like a conventional monitor that has been provided, it is possible to easily view the vehicle in the driving posture without dropping the line of sight.
[0008]
Therefore, according to the first aspect of the present invention, the pressing arm can be used not only as an original function but also as a support member for a monitor that is easy to visually recognize, and a riding rice transplanter that is easier to use can be configured.
[0009]
[Configuration, Action, and Effect of Invention of Claim 2]
[0010]
According to a second aspect of the present invention, in the first aspect of the invention, the steering handle of the traveling aircraft body is configured to be tilted toward the front of the traveling aircraft body.
[0011]
According to the above configuration, the tiltable steering handle can be easily moved into and out of the driving part by tilting forward, and when the arm for pressing is tilted forward and used from the ground, the steering handle is tilted forward. Thus, the ground operator can operate the steering handle even from the front of the traveling machine body.
[0012]
Therefore, according to the second aspect of the present invention, the operator on the ground can use the pressing arm to prevent the front part of the traveling body from being lifted and the steering handle can be operated from the front of the traveling body. This makes it possible to perform fine maneuvering, making it easier to get in and out of the field and to load and unload trucks.
[0013]
[Configuration, Action, and Effect of Invention of Claim 3]
[0014]
The invention according to claim 3 is the invention of claim 1, wherein the distal end portion of the hold-down arm that is stored, are configured to slips below the steering wheel of the traveling machine body.
[0015]
According to the above configuration, the stored pressing arm has a posture along the bonnet etc. of the front part of the traveling machine body, and can be stored compactly without being caught or hit by other objects, and the traveling machine body can be stored in the garage or transport vehicle. This is effective in storing and managing the cargo bed.
[0016]
[0017]
[0018]
[0019]
[0020]
[0021]
[0022]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 shows the entire side surface of the riding rice transplanter according to the present invention, and FIG. 2 shows the entire plane. This riding rice transplanter is connected to a rear part of a four-wheel drive type traveling machine body 3 provided with a steerable front wheel 1 and a non-steerable rear wheel 2 via an elevating link mechanism 5 driven by a hydraulic cylinder 4. The seedling planting device 6 of the strip planting specification is connected to be movable up and down.
[0023]
An engine 7 is mounted on the front part of the traveling machine body 3, and the output of the engine 7 is transmitted to a main transmission 9 comprising a hydrostatic continuously variable transmission (HST) via a transmission belt 8 for transmission. After that, it is input to a mission case 10 that pivotally supports the front wheel 1 and is branched into a traveling system and a planting work system in the mission case 10. The power of the traveling system is transmitted to the left and right front wheels 1, and is also transmitted to the left and right rear wheels 2 via the left and right rear wheel transmission cases 11 extending rearward from the rear portion of the mission case 10. The power of the planting work system branched in the case 10 is input to the seedling planting device 6 through the transmission shaft 12. Although not shown, the left and right front wheels 1 are driven via a differential device, and the left and right rear wheels 2 are driven via a side clutch. Further, the left and right rear wheel transmission cases 11 are supported via a damper 13 so as to be able to swing up and down independently.
[0024]
The seedling planting device 6 is connected to the lower part of the rear end of the elevating link mechanism 5 so as to be able to roll freely, and includes a rectangular pipe-shaped horizontal frame 21, a feed case 22 that receives power from the transmission shaft 12, and a seedling seedling platform 23 back and forth lateral movement placed to a constant stroke, equipped from horizontal frame 21 rearward cantilevered to extend the pair of right and left planting cases, the right and left rear end portions of the planting cases rotary Type planting mechanism 25, three leveling floats 26 for leveling the planned planting area of the surface, a pair of up and down freely drawing markers 27 for scratching and forming the reference line of the next stroke on the surface. ing.
[0025]
The seedling table 23 that is reciprocally fed by a fixed stroke is equipped with a seedling vertical feed belt 28 that vertically feeds the seedling placed every time it reaches the stroke end to the seedling outlet at the lower end of the seedling table 23. Has been. In addition, lamps 29 are provided at the upper left and right ends of the seedling table 23. The lamps 29 can be used as blinker lamps when driving on the road, and the seedling table 23 can retain the seedlings when planting. When the amount decreases to a set amount or less, both lamps 29 blink to notify the field workers outside the machine that the seedling has run out and to encourage preparation for seedling replenishment.
[0026]
The front end portion of the vehicle body 3 is a pipe member mounted to be raised and lowered swing back and forth about the arm 31 for holding down formed by bending into an arch-shaped supporting point of the base end portion. The hold-down arm 31 is contoured swing within a certain range over a working position projecting largely forwardly beyond the center Masuko' bets, and stored position to stand up posture substantially along the front of the hood 13 of the vehicle body 3 In addition to being pivotally supported, it is also possible to hold the friction at an arbitrary swinging position by the friction applied to the pivot base. Further, when the pressing arm 31 is largely moved forward to the operating posture, the steering operation mechanism of the front wheel 1 is elastically held in the neutral state, and the straight traveling is maintained.
[0027]
A monitor 32 is attached near the upper end of the pressing arm 31. The display surface of the monitor 32 is directed rearward, and a seedling shortage alarm lamp 33 for notifying that the remaining amount of seedlings on the seedling table 23 has decreased to a set amount or less on the display surface, a planting clutch Warning lamps used during planting work such as the forgetting to insert alarm lamp 34, ground stop such as an engine stop switch 35, an elevator switch 36 as an operating tool for raising and lowering the seedling planting device 6, and a horn switch 37 It is equipped with operation tools used at times.
[0028]
A steering handle 14 provided behind the hood 13 in the traveling body 3 is configured to be tiltable back and forth, and is shown in FIG. 1 and FIG. As shown by the phantom line in 5, it is possible to switch to a posture that falls forward. In addition, the upper end of the pressing arm 31 in the retracted position is inserted below the steering handle 14, and in particular, the pressing arm 31 in the retracted position interferes with the steering handle 14 tilted forward. .
[0029]
The riding rice transplanter of the present invention is configured as described above, and during normal planting traveling, an operator sits on the driver seat 15 of the traveling machine body 3 and controls the traveling machine body 3, The pressing arm 31 is swung slightly forward from the retracted posture and placed in the front field of view, and the display surface of the monitor 32 is directed rearward, so that the monitor 32 can be moved even if the operator in the sitting posture does not move the line of sight greatly. It can be operated with easy visual inspection.
[0030]
In addition, when crossing the ridge or unloading the riding rice transplanter onto the platform of the transport vehicle, the operator gets down to the ground while driving the traveling machine 3 at a slow speed. The steering handle 14 is largely tilted forward while being largely tilted forward to obtain an action posture. Then, the operator on the ground presses the pressing arm 31 to prevent the front portion of the traveling machine body 3 from rising, and the steering handle 14 is operated against the elastic neutral holding force. Thus, the trajectory can be corrected by steering the front wheel 1 from the ground.
[0031]
Further, when the seedling planting device 6 is likely to hit the ground during the maneuvering from the ground or the balance of the traveling machine body 3 is lost, the raising / lowering switch 36 is operated to arbitrarily raise or lower the seedling planting device 6. Can be made. In addition, by operating the horn switch 37, it is possible to call attention to the people around it. Furthermore, when it is desired to immediately stop the traveling machine 3, the engine stop switch 35 may be operated.
[0032]
[Another embodiment]
(1) In the specification of mounting a fertilizer application device, the monitor 32 may be equipped with a fertilizer outage warning lamp.
(2) It is convenient to display the tilt angle in the left-right direction of the traveling machine body 3 on the monitor 32 so that the left-right tilt state of the traveling machine body 3 can be grasped during the boarding operation.
[Brief description of the drawings]
[Fig. 1] Overall side view of the riding rice transplanter [Fig. 2] Overall plan view of the riding rice transplanter [Fig. 3] Side view showing the front of the traveling machine during planting [Fig. 4] Front view of the monitor [Fig. 5] ] Side view showing the front part of the traveling aircraft when maneuvering from the ground [Explanation of symbols]
3 Traveling aircraft 6 Seedling planting device
13 Bonnet 14 Steering handle 15 Driver's seat 31 Presser arm 32 Monitor

Claims (3)

The front end portion of the traveling machine body linked to planting apparatus to be driven up and down in the rear, a working posture that protrudes forward in the riding rice transplanters equipped with arms for switching swingable holding down to the store position,
The action posture is set to a posture in which the pressing arm lies forward and protrudes, and the retracted posture is set to a posture in which the pressing arm lies backward so as to substantially follow the bonnet at the front of the traveling body. do it,
Comprising a monitor for displaying notification items for planting work on the pressing arm, and configured so that the display surface of the monitor faces downward so as to substantially follow the bonnet in the retracted position of the pressing arm;
The pressing arm is configured to be set up in a standing position in front of the retracted posture so that the display surface of the monitor can be viewed from the driver's seat with the display surface facing backward. Riding passenger rice transplanter.   The riding rice transplanter according to claim 1, wherein a steering handle of the traveling machine body is configured to be tilted forward of the traveling machine body. The riding rice transplanter according to claim 1 or 2, wherein the stored distal end of the pressing arm is configured to be recessed below a steering handle of the traveling machine body .

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